Home / 923,069.76-1,384,604.48-390,452.48

Finding the Fourth Proportional to 923,069.76, 1,384,604.48 and 390,452.48

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Solution

The fourth proportional to 923,069.76, 1,384,604.48 and 390,452.48 is: 585,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,069.76 : 1,384,604.48 = 390,452.48 : x
  2. Step 2: Convert to fraction form
    923,069.76/1,384,604.48 = 390,452.48/x
  3. Step 3: Cross multiply
    923,069.76x = 1,384,604.48 × 390,452.48
  4. Step 4: Simplify right side
    923,069.76x = 540,622,253,035.11
  5. Step 5: Solve for x
    x = 540,622,253,035.11/923,069.76
  6. Step 6: Final answer
    x = 585,678.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.